| article html file updated | 31 August 2025 11:21 CEST | Update | https://www.mdpi.com/2304-8158/9/2/171 |
| article html file updated | 20 July 2022 19:52 CEST | Update | - |
| article html file updated | 7 March 2020 11:52 CET | Update | - |
| article html file updated | 7 March 2020 06:49 CET | Update | - |
| article html file updated | 1 March 2020 11:53 CET | Original file | - |
| article pdf uploaded. | 1 March 2020 11:50 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/2/171/pdf |
| article xml uploaded. | 1 March 2020 11:50 CET | Update | https://www.mdpi.com/2304-8158/9/2/171/xml |
| article xml file uploaded | 1 March 2020 11:50 CET | Update | - |
| article pdf uploaded. | 11 February 2020 12:44 CET | Version of Record | https://www.mdpi.com/2304-8158/9/2/171/pdf-vor |
| article xml file uploaded | 11 February 2020 12:44 CET | Original file | - |
